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SubjectRe: [PATCH 04/11] arm64: tegra: Enable XUSB host and device on Jetson AGX Orin
On Fri, Oct 28, 2022 at 07:27:09AM -0400, Krzysztof Kozlowski wrote:
> On 28/10/2022 05:33, Jon Hunter wrote:
> >>> + ucsi_ccg: ucsi_ccg@8 {
> >>
> >> No underscores in node names.
> >>
> >>> + compatible = "cypress,cypd4226";
> >>> + cypress,firmware-build = "gn";
> >>> + interrupt-parent = <&gpio>;
> >>> + interrupts = <TEGRA234_MAIN_GPIO(Y, 4) IRQ_TYPE_LEVEL_LOW>;
> >>> + reg = <0x08>;
> >>> + status = "okay";
> >>
> >> The pattern of redefining full path in Tegra is confusing - I have no
> >> clue which of these status=okay are correct which are redundant.
> >>
> >> Do you?
> >
> > I understand you may not like this approach, however, this comment is
> > not really relevant to just this patch, but a general comment. But yes
> > we will ensure that this is correct.
> >
>
> Just to clarify - this status looks redundant, but I have no way to tell
> for sure...

But that's independent of whether we specify this using the full path or
reference the node by label, isn't it? The only way to make sure that a
status = "okay" is not redundant is by manual inspection. I don't know
of an automated way to do that. Perhaps it's something that could be
added as a check to DTC?

In this particular case I don't think the status is needed. As Jon
mentioned, this device is first defined here and status = "okay" is the
default, so this is redundant.

Thierry
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